EP 3667103 B1 20230621 - LOAD SENSING TYPE HYDRAULIC SYSTEM WITH HYDRAULIC REGULATING DEVICE
Title (en)
LOAD SENSING TYPE HYDRAULIC SYSTEM WITH HYDRAULIC REGULATING DEVICE
Title (de)
HYDRAULIKSYSTEM VOM LASTDRUCKMELDUNG TYP MIT HYDRAULISCHER REGELVORRICHTUNG
Title (fr)
SYSTÈME HYDRAULIQUE DE TYPE À DETECTION DE CHARGE COMPORTANT UN DISPOSITIF DE RÉGULATION HYDRAULIQUE
Publication
Application
Priority
IT 201800009591 A 20181018
Abstract (en)
[origin: US2020124194A1] A hydraulic system comprises a valve distributor comprising one or more sections connectable to respective uses, a supply apparatus comprising a pump and a supply channel, a discharge channel connected to a low-pressure tank, a use signal channel coming from the section of the valve distributor and further comprises a hydraulic regulating device connected via said channels which includes a 2-position 3-way proportional valve configured so as to provide operative fluid at a conditioned pressure, different with respect to the pressure that is characteristic of the operative condition of use, to the supply apparatus and at least one proportional pressure reducing valve.
IPC 8 full level
F15B 11/16 (2006.01)
CPC (source: CN EP US)
F04B 49/065 (2013.01 - CN); F04B 49/08 (2013.01 - CN); F04B 49/22 (2013.01 - CN); F15B 11/168 (2013.01 - EP); F15B 13/024 (2013.01 - US); F16K 11/105 (2013.01 - US); F16K 17/19 (2013.01 - US); F15B 2211/20553 (2013.01 - EP US); F15B 2211/51 (2013.01 - US); F15B 2211/6058 (2013.01 - EP); F15B 2211/65 (2013.01 - US); F15B 2211/652 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 11421796 B2 20220823; US 2020124194 A1 20200423; CN 111075702 A 20200428; CN 111075702 B 20240611; EP 3667103 A1 20200617; EP 3667103 B1 20230621; IT 201800009591 A1 20200418
DOCDB simple family (application)
US 201916655604 A 20191017; CN 201910994251 A 20191018; EP 19204130 A 20191018; IT 201800009591 A 20181018